- Memory2 x 1.5V DDR3 DIMM sockets supporting up to 16 GB of system memoryDue to a Windows 32-bit operating system limitation, when more than 4 GB of physical memory is installed, the actual memory size displayed will be less than the size of the physical memory installed.Dual channel memory architectureSupport for DDR3 1600/1333/1066 MHz memory modulesTo support DDR3 1600 MHz, you must install an Intel 22nm (Ivy Bridge) CPU.Support for non-ECC memory modulesSupport for Extreme Memory Profile (XMP) memory modulesTo support XMP memory, you must install an Intel 22nm (Ivy Bridge) CPU.(Please refer "Memory Support List" for more information.)

- USBChipset:Up to 4 USB 3.0/2.0 ports (2 ports on the back panel, 2 ports available through the internal USB header)In Windows XP, the Intel USB 3.0 ports can support up to USB 2.0 transfer speed.Up to 8 USB 2.0/1.1 ports (4 ports on the back panel, 4 ports available through the internal USB header)